Home / 7,331.42-10,996.97-1,784.79

Finding the Fourth Proportional to 7,331.42, 10,996.97 and 1,784.79

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Solution

The fourth proportional to 7,331.42, 10,996.97 and 1,784.79 is: 2,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.42 : 10,996.97 = 1,784.79 : x
  2. Step 2: Convert to fraction form
    7,331.42/10,996.97 = 1,784.79/x
  3. Step 3: Cross multiply
    7,331.42x = 10,996.97 × 1,784.79
  4. Step 4: Simplify right side
    7,331.42x = 19,627,282.09
  5. Step 5: Solve for x
    x = 19,627,282.09/7,331.42
  6. Step 6: Final answer
    x = 2,677.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.